Title:
METHOD FOR MANUFACTURING RESIN THIN FILM STRIPPED PIECES
Document Type and Number:
WIPO Patent Application WO/2019/189246
Kind Code:
A1
Abstract:
The present invention is a method for manufacturing resin thin film stripped pieces, said method including: a step (1) for obtaining a multilayer film by forming a resin thin film on a base material film; a step (2) for forming cracks in the resin thin film by pressing the multilayer film with a member having an indented/protruding shape; and a step (3) for obtaining stripped pieces by stripping the resin thin film from the base material film. The step (2) is preferably performed with a pressing pressure of 100 MPa or less. The resin thin film is preferably formed of a cured product of a photo-curable liquid crystal composition. The resin thin film is preferably a cholesteric resin layer.
Inventors:
WARABIMINAMI YUSUKE (JP)
Application Number:
PCT/JP2019/012980
Publication Date:
October 03, 2019
Filing Date:
March 26, 2019
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
B29C41/34; G02B5/30; G02F1/13
Domestic Patent References:
| WO1998000428A1 | 1998-01-08 |
Foreign References:
| JP2015027743A | 2015-02-12 | |||
| JPH03255875A | 1991-11-14 | |||
| JP2005532439A | 2005-10-27 | |||
| JP2001261739A | 2001-09-26 | |||
| JP2001261739A | 2001-09-26 | |||
| US20020017633A1 | 2002-02-14 | |||
| JP2005289881A | 2005-10-20 | |||
| JP2004115414A | 2004-04-15 | |||
| JP2003066214A | 2003-03-05 | |||
| JP2003313187A | 2003-11-06 | |||
| JP2003342219A | 2003-12-03 | |||
| JP2000290315A | 2000-10-17 | |||
| JPH0672962A | 1994-03-15 | |||
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Other References:
See also references of EP 3778171A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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